possitive or negative

i am on clomid day 1/5 100mg my pregesterone level on day 21 was 127. I overlated on day 16 i allways have a 28 day sycle,4 days before i was due i got pink cm and thought it was the start of my period then again 3 days before the same just a small amount but was brown in colour nothing the day before done a pregnancy test it came back negative. in now on day 29 and still nothing; i will see what hapens in the next few days and keep you posted my fatility dr said to test again in a weeks time.so confused as ive never had this before.i would be greatfull for anyone to coment.